NSN 6685-01-658-4143 · NIIN 016584143 · Part number 4541A43
Tx Technology Llc · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 56183
Government record, cited
NSN 6685-01-658-4143 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-658-4143. Manufacturer of record part number: 4541A43.
Also searched as6685-01-658-4143 ·
6685016584143 ·
NIIN 016584143 ·
01-658-4143 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 56183 · 4541A43
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 4541A43
Manufacturer: Tx Technology Llc
General Description
The Control,humidity, cataloged under National Stock Number 6685-01-658-4143, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Tx Technology Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Control,humidity
FSC / FSG
6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments (FSG 66)
Manufacturers
C.l. Blankenship, Inc. (CAGE 1JB18); Tx Technology Llc (CAGE 56183)
Technical Specifications
Parameter
Value
NSN
6685-01-658-4143
Primary Part Number
4541A43
Item Name
Control,humidity
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Tx Technology Llc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6685-00-001-1475
6685-00-001-1475 · Item name not on file
6685-00-001-1503
CONTROL,TOTALIZER
6685-00-001-1643
6685-00-001-1643 · Item name not on file
6685-00-001-1711
GAGE,PRESSURE,DIAL INDICATING
6685-00-001-2099
6685-00-001-2099 · Item name not on file
6685-00-001-2100
6685-00-001-2100 · Item name not on file
6685-00-001-2101
6685-00-001-2101 · Item name not on file
6685-00-001-2102
6685-00-001-2102 · Item name not on file
Frequently Asked Questions
What is NSN 6685-01-658-4143?
NSN 6685-01-658-4143 is a Control,humidity, manufactured by Tx Technology Llc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-658-4143?
NSN 6685-01-658-4143 has 2 manufacturer part numbers on file: 4541A43 (C.l. Blankenship, Inc.), 4541A43 (Tx Technology Llc).
Is NSN 6685-01-658-4143 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.